docs: def stats(self):
          """ shotcut to pull out useful info for a graph"""
          out = []
          out += [("Ontologies", len(self.all_ontologies))]
          out += [("Triples", self.triplesCount())]
          out += [("Classes", len(self.all_classes))]
          out += [("Properties", len(self.all_properties))]
          out += [("Annotation Properties", len(self.all_properties_annotation))]
          out += [("Object Properties", len(self.all_properties_object))]
          out += [("Datatype Properties", len(self.all_properties_datatype))]
          out += [("Skos Concepts", len(self.all_skos_concepts))]
          out += [("Data Shapes", len(self.all_shapes))]
          # out += [("Individuals", len(self.individuals))] @TODO
          out += [("Data Sources", len(self.sources))]
          return out